#10 Castellated Nuts

Hex Castle Nuts or Castellated Nuts have notches on one end, which resemble the serrated tops of castle parapets. These nuts are used with a bolt with cross-drilled holes, so that a cotter pin can pass through the nut and into a hole in a bolt shank, thus preventing the nut from loosening. The notched end is turned down slightly, allowing the cotter pin to be bent around the nut. Often used in machinery, shafts and automotive applications.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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HayesCACastle Nut (Hex)SteelCadmium/Yellow#10-32 x 2 1/32an3-20a 10-32 x 2-1/32 hex c/s cad ii101
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AmericanNYCastle Nut (Hex)SteelNickel#10-32castle nut nickle pl2000
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CenturyFLCastle Nut (Hex)SteelCadmium/Yellow#10-32 x 1 1/32an3-10 castle nut24
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CenturyFLCastle Nut (Hex)SteelCadmium/Yellow#10-32an310-3 castle nut45
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CenturyFLCastle Nut (Hex)SteelCadmium/Yellow#10-32 x 1 1/32an3-10a nut37
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32an320c3732
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DeltaTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32fin castle nut 18-8 sst nf 10-3297
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RCFastAZCastle Nut (Hex)SteelCadmium/Yellow#10-32 x 1 1/32an3-10a bolt (10-32)350
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RCFastAZCastle Nut (Hex)SteelCadmium/Yellow#10-32nut-castle (10-32 3b) an310-390
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AIHAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32nut 304ss AN320C3313
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SISAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow#10-323/8 hex non-locking castellated nut full height cad ii 304ss AN310C375
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SISAZCastle Nut (Hex)SteelCadmium/Yellow#10-32castle nut low-height cad ii AN320-3100
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32hex castle nut 18-8 s/s100
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GLFOHCastle Nut (Hex)SteelCadmium/Yellow#10-32 x 1 1/3210-32x1-1/32 (5/8-grip) hex/screw cad AN3-10A223
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GLFOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32an320c3 304ss70
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